Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MJ

Michael R. Johnson — 149 Patents

PSParion Sciences: 83 patents #1 of 20Top 5%
Pfizer: 59 patents #4 of 5,153Top 1%
GLGlaxo Group Limited: 3 patents #340 of 1,368Top 25%
WAWalgreen: 2 patents #115 of 293Top 40%
HRHenkel Research: 1 patents #16 of 51Top 35%
PHPharmacore: 1 patents #13 of 28Top 50%
Chapel Hill, NC: #4 of 1,999 inventorsTop 1%
North Carolina: #61 of 45,564 inventorsTop 1%
Overall (All Time): #6,316 of 4,157,543Top 1%
149 Patents All Time
Michael R. Johnson has been granted 149 US patents while listed as an inventor at Parion Sciences. The first was granted in 1980 and the most recent in February 2023. Michael R. Johnson ranks #6,316 of 4,157,543 US inventors in our database (top 0.15%). Patent records list Michael R. Johnson in Chapel Hill, NC, US.

Issued Patents All Time

Showing 1–25 of 149 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11578042 3,5-diamino-6-chloro-N-(N-(4-(4-(2-(hexyl(2,3,4,5,6-pentahydroxyhexyl)amino)ethoxy)phenyl)butyl)carbamimidoyl)pyrazine-2-carboxamide 2023-02-14
10968233 Monothiol mucolytic agents William Robert Thelin 2021-04-06
10752597 3,5-diamino-6-chloro-N—(N-(4-(4-(2-(hexyl(2,3,4,5,6-pentahydroxyhexyl)amino)ethoxy)phenyl)butyl)carbamimidoyl)pyrazine-2-carboxamide 2020-08-25
10526292 Dendrimer like amino amides possessing sodium channel blocker activity for the treatment of dry eye and other mucosal diseases William Robert Thelin, Richard C. Boucher, Jr. 2020-01-07
10526283 Prodrugs of dithiol mucolytic agents William Robert Thelin 2020-01-07
10335558 Methods of treatment Richard C. Boucher, Jr., William Robert Thelin, Brian Button, Tomas Navratil 2019-07-02
10246425 3,5-diamino-6-chloro-N-(N-(4-phenylbutyl)carbamimidoyl) pyrazine-2-carboxamide compounds 2019-04-02
10233158 Arylalkyl- and aryloxyalkyl-substituted epithelial sodium channel blocking compounds 2019-03-19
10167266 Sodium channel blockers 2019-01-01
10159672 Chemically and metabolically stable dipeptide possessing potent sodium channel blocker activity 2018-12-25
10106551 Monothiol mucolytic agents William Robert Thelin 2018-10-23
10071970 Chloro-pyrazine carboxamide derivatives with epithelial sodium channel blocking activity 2018-09-11
9987443 Inhaled hypertonic saline delivered by a heated nasal cannula Richard C. Boucher, Jr. 2018-06-05
9963427 Dithiol mucolytic agents William Robert Thelin, Ronald A. Aungst 2018-05-08
9957238 Arylalkyl-and aryloxyalkyl-substituted epithelial sodium channel blocking compounds 2018-05-01
9878988 Dendrimer like amino amides possessing sodium channel blocker activity for the treatment of dry eye and other mucosal diseases William Robert Thelin, Richard C. Boucher, Jr. 2018-01-30
9856224 Stable sodium channel blockers 2018-01-02
9849129 Sodium channel blockers for skin disorders William Robert Thelin, Richard C. Boucher, Jr. 2017-12-26
9695134 3,5-diamino-6-chloro-N-(n-(4-phenylbutyl)carbamimidoyl)pyrazine-2-carboxamide compounds 2017-07-04
9655896 Chemically and metabolically stable dipeptide possessing potent sodium channel blocker activity 2017-05-23
9593084 Chloro-pyrazine carboxamide derivatives with epithelial sodium channel blocking activity 2017-03-14
9586910 3,5-diamino-6-chloro-N-(N-(4-(4-(2-(hexyl(2,3,4,5,6-pentahydroxyhexyl)amino)ethoxy)phenyl)butyl)carbamimidoyl)pyrazine-2-carboxamide 2017-03-07
9586911 Arylalkyl- and aryloxyalkyl-substituted epthelial sodium channel blocking compounds 2017-03-07
9408988 Inhaled hypertonic saline delivered by a heated nasal cannula Richard C. Boucher, Jr. 2016-08-09
9346753 Dithiol mucolytic agents William Robert Thelin, Ronald A. Aungst 2016-05-24